000 FZNT02 KNHC 161615 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON AUG 16 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. SECURITE ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1200 UTC MON AUG 16. 24 HOUR FORECAST VALID 1200 UTC TUE AUG 17. 48 HOUR FORECAST VALID 1200 UTC WED AUG 18. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM FRED NEAR 29.2N 85.7W 993 MB AT 1500 UTC AUG 16 MOVING N OR 010 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E SEMICIRCLE...30 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 28N84W TO 27N85W TO 28N89W TO 30N88W TO 30N84W TO 28N84W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. NUMEROUS MODERATE SCATTERED STRONG CONVECTION NORTH OF 27N EAST OF 87W. .24 HOUR FORECAST TROPICAL DEPRESSION FRED INLAND NEAR 32.6N 85.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS...WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST POST-TROPICAL FRED NEAR 35.0N 84.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .48 HOUR FORECAST POST-TROPICAL FRED NEAR 38.0N 82.5W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT. .60 HOUR FORECAST...DISSIPATED. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING... .TROPICAL DEPRESSION GRACE NEAR 17.7N 71.4W 1007 MB AT 1500 UTC AUG 16 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 17N69W TO 17N70W TO 17N71W TO 18N71W TO 18N69W TO 17N69W SE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. NUMEROUS MODERATE SCATTERED STRONG CONVECTION FROM 15N-22N BETWEEN 55W-73W. .24 HOUR FORECAST TROPICAL STORM GRACE NEAR 18.8N 76.2W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...70 NM NE QUADRANT AND 40 NM NW QUADRANT. WITHIN 18N74W TO 19N78W TO 23N77W TO 22N74W TO 18N74W...INCLUDING THE WINDWARD PASSAGE...E TO SE WINDS 25 TO 35 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROPICAL STORM GRACE NEAR 20.1N 82.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 17N78W TO 17N79W TO 20N83W TO 22N83W TO 22N79W TO 17N78W WINDS 20 TO 33 KT. SEAS LESS THAN 8 FT. .72 HOUR FORECAST TROPICAL STORM GRACE NEAR 21.6N 88.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM GRACE NEAR 22.5N 94.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .120 HOUR FORECAST TROPICAL STORM GRACE INLAND NEAR 23.0N 98.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING... .TROPICAL DEPRESSION EIGHT NEAR 31.3N 62.8W 1012 MB AT 1500 UTC AUG 16 MOVING S OR 185 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS...WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. SCATTERED MODERATE ISOLATED STRONG CONVECTION NORTH OF 29N BETWEEN 62W-65W. .12 HOUR FORECAST TROPICAL STORM EIGHT NEAR 30.6N 63.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. OVER FORECAST WATERS...WITHIN 29N62W TO 30N64W TO 30N65W TO 31N65W TO 31N62W TO 29N62W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROPICAL STORM EIGHT NEAR 30.2N 63.8W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM W SEMICIRCLE...40 NM NE QUADRANT AND 30 NM SE QUADRANT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN FORECAST WATERS... WITHIN 30N63W TO 30N66W TO 31N65W TO 31N63W TO 30N63W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST TROPICAL STORM EIGHT NEAR 29.8N 66.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN FORECAST WATERS...WITHIN 30N64W TO 30N67W TO 31N67W TO 31N64W TO 30N64W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM EIGHT NEAR 30.1N 68.7W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM EIGHT NEAR 31.0N 70.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST TROPICAL STORM EIGHT NEAR 33.1N 69.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .CARIBBEAN 36 HOUR FORECAST WITHIN 11N67W TO 12N73W TO 15N73W TO 16N67W TO 11N67W...INCLUDING THE MONA PASSAGE... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST...LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.